63581452 has 12 divisors (see below), whose sum is σ = 121382856. Its totient is φ = 28900640.

The previous prime is 63581443. The next prime is 63581461. The reversal of 63581452 is 25418536.

It is an interprime number because it is at equal distance from previous prime (63581443) and next prime (63581461).

It is a super-3 number, since 3×63581452³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722473 + ... + 722560.

It is an arithmetic number, because the mean of its divisors is an integer number (10115238).

Almost surely, 2^63581452 is an apocalyptic number.

It is an amenable number.

63581452 is a deficient number, since it is larger than the sum of its proper divisors (57801404).

63581452 is a wasteful number, since it uses less digits than its factorization.

63581452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445048 (or 1445046 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 63581452 is about 7973.7978404271. The cubic root of 63581452 is about 399.1261172125.

Adding to 63581452 its reverse (25418536), we get a palindrome (88999988).

The spelling of 63581452 in words is "sixty-three million, five hundred eighty-one thousand, four hundred fifty-two".